Cyanobacteria and diatom, LM
Cyanobacteria filaments, LM
Chroococcus cyanobakteria, LM
Oscillatoria cyanobacteria, light micrograph
Roof microbial mat, LM
Algae, light micrograph
Cyanobacteria and diatom, micrograph
Nostoc pruniforme cyanobacteria, LM
Gyrosigma diatom, Mayorella amoeba, LM
Trithigmostoma ciliate, LM
Pennate diatoms, LM
Thalassiosira diatom, LM
Thalassionema diatom, LM
Chaetoceros diatom, LM
Ditylium diatom, LM
Eucampia diatom, LM
Spirulina cyanobacteria, light micrograph
Aphanothece sp. cyanobacteria, LM
Phormidium sp. cyanobacteria, light micrograph
Calothrix cyanobacterium, LM
Anabena cyanobacterium, LM
Anabena sp., LM
Nostoc sp., LM
Scytonema sp., LM
Microorganisms, light micrograph
Thalassiosira sp. diatom, light micrograph
SEM of diatoms and blue-green algae
Thecamoeba amoeba, LM
Anabaena cyanobacteria, light micrograph
Diatom on cyanobacteria, light micrograph
Phormidium sp. algae, light micrograph
Synedra diatom group, LM
Diatoma diatom, LM
Stephanodiscus diatom, LM
Odontella sp. diatom, LM
Coscinodiscus sp. diatom, LM
Diatom, light micrograph
Thalassiosira punctigera, light micrograph
Diatom and green algae, micrograph
Diatoms and cyanobacteria, micrograph
Cyanobacteria and diatoms, light micrograph
Euglena protozoa and cyanobacteria
Pseudomicrothorax dubius ciliate, LM
Diatoms, light micrograph
Purple bacteria, LM
Ditylium diatom, light micrograph
Cymbella sp. Diatoms, LM
Cymbella Diatoms, LM
Asterionella diatoms, LM
Tabellaria freshwater diatoms, LM
Gyrosigma freshwater diatoms, LM
Melosira sp. diatoms, LM
Paribellus sp. diatoms, LM
Diatoma diatoms, LM
Cladophora filaments, LM
Meridion circulare diatoms, LM
Pyrocystis noctiluca dinoflagellate, LM
Oscillatoria cyanobacteria, micrograph
Diatoms on red algae, light micrograph
Caloneis freshwater diatom, light micrograph
Diploneis freshwater diatom, light micrograph
Craticula freshwater diatom, light micrograph
Marine diatom Gyrosigma fasicola, light micrograph
Diploneis freshwater diatom colony, light micrograph
Desmid and Cyanobacteria, micrograph
Desmids and cyanobacteria, micrograph
Nostoc sp. cyanobacteria, LM
Oscillatoria sp. cyanobacteria, light micrograph
Spirulina cyanobacteria and a diatom, SEM
Anabaena sp, algae, light micrograph
Nostoc sp. colonies, LM
Navicula diatoms, light micrograph
Achnanthes sp. algae, light micrograph
Tabellaria sp. algae, light micrograph
Odontella sp. algae, light micrograph
Ditylium brightwellii marine diatom, LM
Rivularia cyanobacteria, light micrograph
Filamentous cyanobacteria, light micrograph
Cyanobacteria, polarised light micrograph
Ceratium cornutum algae, light micrograph
Pyrocystis sp. algae, light micrograph
Leonella granifera algae, light micrograph
Woloszynskia algae, light micrograph
Leonella granifera alga, light micrograph
Pyrocystis lunula algae, light micrograph
Rivularia cyanobacteria colony, light micrograph
Microbial sphere, SEM
Fossil diatom, light micrograph
Water flea and cyanobacteria, micrograph
Vaginicola ciliate on cyanobacteria, light micrograph
Nitzschia freshwater diatom, light micrograph
Nostoc sp. algae, light micrograph
Acanthocystis heliozoon, LM
Encyonema freshwater diatoms, light micrograph
Eucampia marine diatoms, light micrograph
Cyanobacteria, light micrograph
Diatoms and red algae, light micrograph
Leptogium lichen section, LM
Nostoc colony detail, LM
Odontella sp. diatom, light micrograph
Epithemia diatom, light micrograph